Rotary blower.



E. P. REICHHELM.

ROTARY BLOWER.

APPLIUATION FILED 13110.10, mov.

Patented Dec. 19, 1911.

3 SHEBTSMSHEBT 1.

@www one o @www E. P. REIUHHELM.

RDTARY BLOWER. APPLICATION FILED DEG.10,1007. 1,012,440, Patented De. 19, 1911 HSHEBTS-SHEET 2.

E. P. RE'IGHHELM.

ROTARY BLOWER. APPLGA'IION FILED 1150.10, 1907,

Patented Dec. 19, 1911.

EDWARD P. REICl-IHELM, OF BAYONNE, NEW JERSEY.

ROTARY BLOWER.

Specification of Letters latent. 1);@ [131110,11 Dec. 1 i), j 91 1.

Application ined December 10, 1907. sei-iin No. 405,384.

To all whom 'it may] concern.-

Be it known that t, Enwnnn l. Rnitn- HELM, n. citizen ot the United States. und resident ot Bayonne, in the (county oli l-luth son :1nd State ot New Jersey, bow invented certain new und useful linproreinoiitsl in Rotary Blowers, of Whireh the following is n specification.

This invention relates to rotary blowors. but the Combination of theI elements is nino applicable to o. motor or more operino-.illy un engine.

` The organization ot' the invention comprises :1. musing, which is essentially cylindrical, n piston cylinder erwntricnlly lor-:dnd therein. :1nd n depressed segmental port-ion ot tho causing concentric with tho snid pi-iton cylinder und :Forming o sent therefor.

A. port or dut-.t extends trom oml end ot the Sogrnentfrt portion ot the casing' to tho inlet opening thereof. and n ductI or port` loods Vfrom tho ottior oud ot snid portion to the outlet openingot snid casing. ,lludos ore rotatably supported on :i `.'hut't lot-:dvd in the :iXi-.il line ot' the casing', passing through swinging joints in the 'piston cyiiruler :ind extending to the inner cylindrical' will ot Said easing. fin nrfljustnhtc rclrnsr vulve is connected with the outlet ot the riihing. und o pinion on the)I .sind shntt gears with un internat gear connected `.Vith the piston eyl inder.

The @onction ot the ninin portion ot the Casing und the piston cylinder located in 'ho depressed segmental portion thereof serum-s n nm'ximuin tti'octive Working.;l :iron :tor onf'h binde, by reason of the hn'gi'e oren obtuiuoi'l between the upper surtan'o ot the piston cylinder and the crown otl the cusing. 'the eonetion ot' the piston cylinder with the segmental portion of the rinsing redm-.os leakage to n minimum. Tho duct. or port :it

the'inlet allows the influx ot tho charge t'or the apparatus beoro the libido@ uro opposite Said inlet securing what 4l herein torni tend.

and the duct or port :it the outlot prevents boek pressure. The odios-trible release vulve near the outlet provides n vnrinble exhaust. The blades nro also provided with openinos Within the piston cylinder so that the pres-- sure in the chambers between the blade@ und inner Wall of the piston Cylinder cnn bo regulated. l

In the drawings, Figure l represents n f partial vertical longitudinal section of :t

.blower With, the invention incorporated therewith, Fig. 2 shows n partial right hund side` View ot the invention :md u, partial seetion as on the line .l. i of Fig. l nud Fig. 3 is n trout view of the blower with o portion broken away.

The blower @remplit ing the Aintentioncomprises the cylindricn easing 20 mounted on the bed plnte 2l. It has the inlet 2:2 with inlet port, or duct 23, outlet 94 with outlet port or dnct Q5, and segmental portion 26 eccentric with the 11min portion thereof. An exhaust rtliot votre $30 is hinged in :L (-nvity 3l ot tho said raising, tho nnll of which hittinis throni'led for n. Scrcw 2li?. 'lhe rnd olf the srrew is connected with the said release volvo Slt), so als to swing it out; ot tho linty ot tho putti oi the blades to be describotit, to obtain n variable release for the` discharge of the blower.

To the sides ot'` tho raising,` 20 nre bolted Vthe bonnets b5 boring thftvlindrit-ol open4 ings Zl :1nd the cyliiulrient tlnnggcs il? eccentricnlty locntctl'with respert to the :lx'is ot the (fusing. Bearing rings 38 beur ngz'ninst the inner cylindrical surt'nce ol tho. flange 37. A hottow piston cylindor t5 is oteentriwilly loroted in the` (fusing 20 ond extends through the said openings -ll, bring' Sui ported on roller benringfs Llt brin-ing ngstinfit the bearing ring 38. Cylindrical opt-ning't: with rylindricol Hangt-.s V' uro toi-ined in thc sides ot the piston cylinder :ind to tho Hongos -tT :ire bolted tho Ypiston bonnets t8. boring thc flanges tf). lfnternztl Qoiirs 5i!) nro 'tnstrnt-wl to the flanges llt). .lo the thor-fes i' ure bolted the bonxlets 55, und to the` bonnets 5.7 tro bolted the jour-not benl in;;s :itl which support' the` hollow shaft 57 having; tho oil holes 58. The piston cylinder t5 hns formed 'nt-.ross its foce hearings 59 for tho s wingiinnT tubos tit), which two hitter fltunrnts constitute swinging` joints 'for the blades to be iftescribed. openiiigs (3l tor thc :mid binders. Oil cups tl :iro attached to tho bonnets for lulo'i noting the roller bonrings llt; und piston cylinder 45. `Pinions b5 nre fnfstenotl to the shzift 5T, the teeth of which nitnsh with the titi-oth ot the internal gears 50.

.teeves titl bowing the jawn G7 nre roto.- tnbly .supported on tho shaft 57, and the jnws of n pair oft .said sleeves tightly secure euch one of the similar blades TO, 71, 72, 73, which :tre guided in tho swinging tubes GO. und extend to the inner cylindricalSurface lof the casing 20. ln eheh of the Suid blades The tubes1 (it) havo is formed an. opening 74. To each of the journal bearings 56 is ttedy a lubricating device comprising a tube 80 located in the hollow shaft 57, and which is connected by piping with tfhe oil cup 81. Pulleys 82 for the shaft 57 are provided for a driving beltnot shown. Y

To operate the blower one of the pulleys is driven by said belt which rotates the shaft 57 in the direction of the arrow. The pinion 65 on the shaft 57 rotates the internal gear 50 connected with the piston cylinder, with a uniform peripheral speed, and the latter carries the blades 70, 71, 72, 73,

.around the axis of the shaft 57.

When the blades are located as best shown in Fig. 1, the blade 70, is just about to leave the segmental portion 26 of the casing 2O and swing opposite the inlet port 23 allowing an infiux of the charge of fluid in the chamber below the said blade 70, and prevents the tendency to form a vacuum on the lower side or back thereof, because the charge admitted through said inlet port will flow to both sides of the said blade.

The compression of the charge begins when the blade leaves the edge S5 of the inlet opening 22, and terminates when the blade leaves the edge S6 of the release valve 30, at which latter instant exhaust also' be gins through the outlet opening 24. Alfter the bladesleave the end of the release valve 30 they travel by the exhaust duct 25, and the latter extending radially beyond the edges of the blades avoids back pressure against the said blades, secures a prolonged release and increases the eliiciency of the blower by avoiding waste energy. By adjusting the release valve 30 the insta-nt of exhaust can be varied resulting in delivering charges at different pressures.

Having described my invention I claim:

In a blower, the combination of a cylindrical casing, having an outlet and inlet, a piston cylinder eccentrically located therein,"a shaft in the casing and concentric therewith, a depressed 'segmental portion of the casing concentric and of equal radius with the piston cylinder, means to rotate said piston cylinder and thereby rotate the blades in the casing, a release valve hinged in the casing concentric with its cylindrical portion when in its normal position, and means 'to change the position of the release valve. A

Signed at the borough of Manhattan in the county of New York and State of New York, this 7th day of December, A. D. 1907.

' EDWARD P. REICHHELM. Witnesses G. A. MANWARING, MAnTiN ZiMANsKY. 

